Reduced Transmission in Multi-Server Coded Caching
Minquan Cheng, Qiaoling Zhang, Jing Jiang, Reizhong Wei

TL;DR
This paper proposes methods to reduce transmission rates in multi-server coded caching systems, especially when the ratio of cache size to total files is odd, improving efficiency over previous schemes.
Contribution
It introduces new techniques that further decrease transmission in multi-server coded caching, particularly for the case when the cache-to-file ratio is odd, extending to general multiply server systems.
Findings
Reduced transmission rates when KM/N is odd.
Improved efficiency for multi-server caching systems.
Enhanced transmission rate performance in practical scenarios.
Abstract
Coded caching has been widely used in the wireless network for shifting the some transmissions during the peak traffic times to the off-peak traffic times. Multi-server coded caching, which can share responsibility for the total amount of transmission in the wireless network during the peak traffic times by means of the collaboration among these servers, can be seen everywhere in our life. The three servers setting (two data servers and one parity check server) is used in practice, e.g. redundant array of independent disks-4. In this scenario, there are total files which are equally stored in two data servers respectively and users each of which has the memory size of files. Each server connects to users by an independently channel. During the off-peak traffic times, two data servers place some parts of each files in each user's cache. In that time, servers do not know…
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Taxonomy
TopicsCaching and Content Delivery · Cooperative Communication and Network Coding · Opportunistic and Delay-Tolerant Networks
